src/BufferView.C

   1 /**
   2  * \file BufferView.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Alfredo Braunstein
   7  * \author Lars Gullik Bjønnes
   8  * \author John Levon
   9  * \author André Pönitz
  10  * \author Jürgen Vigna
  11  *
  12  * Full author contact details are available in file CREDITS.
  13  */
  14
  15 #include <config.h>
  16
  17 #include "BufferView.h"
  18
  19 #include "buffer.h"
  20 #include "bufferlist.h"
  21 #include "bufferparams.h"
  22 #include "BufferView_pimpl.h"
  23 #include "CutAndPaste.h"
  24 #include "debug.h"
  25 #include "funcrequest.h"
  26 #include "FuncStatus.h"
  27 #include "gettext.h"
  28 #include "insetiterator.h"
  29 #include "language.h"
  30 #include "lyxlayout.h"
  31 #include "lyxtext.h"
  32 #include "lyxtextclass.h"
  33 #include "paragraph.h"
  34 #include "paragraph_funcs.h"
  35 #include "pariterator.h"
  36 #include "texrow.h"
  37 #include "undo.h"
  38 #include "WordLangTuple.h"
  39
  40 #include "frontends/Alert.h"
  41 #include "frontends/Dialogs.h"
  42 #include "frontends/LyXView.h"
  43 #include "frontends/screen.h"
  44 #include "frontends/WorkArea.h"
  45
  46 #include "insets/insetcommand.h" // ChangeRefs
  47 #include "insets/updatableinset.h"
  48 #include "insets/insettext.h"
  49
  50 using lyx::support::bformat;
  51
  52 using lyx::cap::setSelectionRange;
  53
  54 using std::distance;
  55 using std::find;
  56 using std::string;
  57 using std::swap;
  58 using std::vector;
  59
  60
  61 extern BufferList bufferlist;
  62
  63
  64 BufferView::BufferView(LyXView * owner, int width, int height)
  65         : pimpl_(new Pimpl(*this, owner, width, height))
  66 {}
  67
  68
  69 BufferView::~BufferView()
  70 {
  71         delete pimpl_;
  72 }
  73
  74
  75 void BufferView::unsetXSel()
  76 {
  77         pimpl_->xsel_cache_.set = false;
  78 }
  79
  80
  81 Buffer * BufferView::buffer() const
  82 {
  83         return pimpl_->buffer_;
  84 }
  85
  86
  87 LyXScreen & BufferView::screen() const
  88 {
  89         return pimpl_->screen();
  90 }
  91
  92
  93 LyXView * BufferView::owner() const
  94 {
  95         return pimpl_->owner_;
  96 }
  97
  98
  99 Painter & BufferView::painter() const
 100 {
 101         return pimpl_->painter();
 102 }
 103
 104
 105 void BufferView::setBuffer(Buffer * b)
 106 {
 107         pimpl_->setBuffer(b);
 108 }
 109
 110
 111 void BufferView::newFile(string const & fn, string const & tn, bool named)
 112 {
 113         pimpl_->newFile(fn, tn, named);
 114 }
 115
 116
 117 bool BufferView::loadLyXFile(string const & fn, bool tl)
 118 {
 119         return pimpl_->loadLyXFile(fn, tl);
 120 }
 121
 122
 123 void BufferView::reload()
 124 {
 125         string const fn = buffer()->fileName();
 126         if (bufferlist.close(buffer(), false))
 127                 loadLyXFile(fn);
 128 }
 129
 130
 131 void BufferView::resize()
 132 {
 133         if (pimpl_->buffer_)
 134                 pimpl_->resizeCurrentBuffer();
 135 }
 136
 137
 138 bool BufferView::fitCursor()
 139 {
 140         return pimpl_->fitCursor();
 141 }
 142
 143
 144 void BufferView::update()
 145 {
 146         pimpl_->update();
 147 }
 148
 149
 150 void BufferView::updateScrollbar()
 151 {
 152         pimpl_->updateScrollbar();
 153 }
 154
 155
 156 void BufferView::scrollDocView(int value)
 157 {
 158         pimpl_->scrollDocView(value);
 159 }
 160
 161
 162 void BufferView::redoCurrentBuffer()
 163 {
 164         pimpl_->redoCurrentBuffer();
 165 }
 166
 167
 168 bool BufferView::available() const
 169 {
 170         return pimpl_->available();
 171 }
 172
 173
 174 Change const BufferView::getCurrentChange()
 175 {
 176         return pimpl_->getCurrentChange();
 177 }
 178
 179
 180 void BufferView::savePosition(unsigned int i)
 181 {
 182         pimpl_->savePosition(i);
 183 }
 184
 185
 186 void BufferView::restorePosition(unsigned int i)
 187 {
 188         pimpl_->restorePosition(i);
 189 }
 190
 191
 192 bool BufferView::isSavedPosition(unsigned int i)
 193 {
 194         return pimpl_->isSavedPosition(i);
 195 }
 196
 197
 198 void BufferView::switchKeyMap()
 199 {
 200         pimpl_->switchKeyMap();
 201 }
 202
 203
 204 int BufferView::workWidth() const
 205 {
 206         return pimpl_->workarea().workWidth();
 207 }
 208
 209
 210 void BufferView::center()
 211 {
 212         pimpl_->center();
 213 }
 214
 215
 216 int BufferView::top_y() const
 217 {
 218         return pimpl_->top_y();
 219 }
 220
 221
 222 void BufferView::top_y(int y)
 223 {
 224         pimpl_->top_y(y);
 225 }
 226
 227
 228 string const BufferView::getClipboard() const
 229 {
 230         return pimpl_->workarea().getClipboard();
 231 }
 232
 233
 234 void BufferView::stuffClipboard(string const & stuff) const
 235 {
 236         pimpl_->stuffClipboard(stuff);
 237 }
 238
 239
 240 FuncStatus BufferView::getStatus(FuncRequest const & cmd)
 241 {
 242         return pimpl_->getStatus(cmd);
 243 }
 244
 245
 246 bool BufferView::dispatch(FuncRequest const & ev)
 247 {
 248         return pimpl_->dispatch(ev);
 249 }
 250
 251
 252 void BufferView::scroll(int lines)
 253 {
 254         pimpl_->scroll(lines);
 255 }
 256
 257
 258 void BufferView::showErrorList(string const & action) const
 259 {
 260         if (getErrorList().size()) {
 261                 string const title = bformat(_("LyX: %1$s errors (%2$s)"),
 262                         action, buffer()->fileName());
 263                 owner()->getDialogs().show("errorlist", title);
 264                 pimpl_->errorlist_.clear();
 265         }
 266 }
 267
 268
 269 ErrorList const & BufferView::getErrorList() const
 270 {
 271         return pimpl_->errorlist_;
 272 }
 273
 274
 275 void BufferView::setCursorFromRow(int row)
 276 {
 277         int tmpid = -1;
 278         int tmppos = -1;
 279
 280         buffer()->texrow().getIdFromRow(row, tmpid, tmppos);
 281
 282         if (tmpid == -1)
 283                 text()->setCursor(cursor(), 0, 0);
 284         else
 285                 text()->setCursor(cursor(), buffer()->getParFromID(tmpid).pit(), tmppos);
 286 }
 287
 288
 289 void BufferView::gotoLabel(string const & label)
 290 {
 291         for (InsetIterator it = inset_iterator_begin(buffer()->inset()); it; ++it) {
 292                 vector<string> labels;
 293                 it->getLabelList(*buffer(), labels);
 294                 if (find(labels.begin(),labels.end(),label) != labels.end()) {
 295                         cursor().clearSelection();
 296                         text()->setCursor(cursor(), it.par(), it.pos());
 297                         cursor().resetAnchor();
 298                         update();
 299                         return;
 300                 }
 301         }
 302 }
 303
 304
 305 void BufferView::hideCursor()
 306 {
 307         screen().hideCursor();
 308 }
 309
 310
 311 LyXText * BufferView::getLyXText() const
 312 {
 313         LyXText * text = cursor().innerText();
 314         BOOST_ASSERT(text);
 315         return text;
 316 }
 317
 318
 319 Language const * BufferView::getParentLanguage(InsetOld * inset) const
 320 {
 321         Paragraph const & par = ownerPar(*buffer(), inset);
 322         return par.getFontSettings(buffer()->params(),
 323                                    par.getPositionOfInset(inset)).language();
 324 }
 325
 326
 327 void BufferView::haveSelection(bool sel)
 328 {
 329         pimpl_->workarea().haveSelection(sel);
 330 }
 331
 332
 333 int BufferView::workHeight() const
 334 {
 335         return pimpl_->workarea().workHeight();
 336 }
 337
 338
 339 LyXText * BufferView::text() const
 340 {
 341         return buffer() ? &buffer()->text() : 0;
 342 }
 343
 344
 345 void BufferView::setCursor(ParIterator const & par, lyx::pos_type pos)
 346 {
 347         int const last = par.size();
 348         for (int i = 0; i < last; ++i)
 349                 par[i].inset().edit(cursor(), true);
 350
 351         cursor().setCursor(makeDocIterator(par, pos));
 352         cursor().selection() = false;
 353         par.bottom().text()->redoParagraph(par.bottom().par());
 354 }
 355
 356
 357 void BufferView::putSelectionAt(DocIterator const & cur,
 358                                 int length, bool backwards)
 359 {
 360         ParIterator par(cur);
 361
 362         cursor().clearSelection();
 363
 364         setCursor(par, cur.pos());
 365
 366         if (length) {
 367                 if (backwards) {
 368                         cursor().setSelection(cursor(), -length);
 369                         DocIterator const it = cursor();
 370                         cursor().setCursor(cursor().anchor_);
 371                         cursor().selection() = true;
 372                         cursor().anchor_ = it;
 373                 } else
 374                         cursor().setSelection(cursor(), length);
 375         }
 376 }
 377
 378
 379 LCursor & BufferView::cursor()
 380 {
 381         return pimpl_->cursor_;
 382 }
 383
 384
 385 LCursor const & BufferView::cursor() const
 386 {
 387         return pimpl_->cursor_;
 388 }